NASA’s InSight lander has exposed 3 big Mars quakes involved one that lasted around 90 minutes

The robot beamed the data from its seismometer back to Earth and NASA scientists realized that they had what they would have been waiting for: a big quake. Insight recorded a magnitude 4.2 Mars quake- the kind NASA scientists had been waiting to notice since Insight touched down on the red planet in November 2018.

Two other big ones rolled through, too: On August 25, the lander felt two quakes of magnitudes 4.2 and 4.1. before these, the biggest quake the lander felt was a 3.7 in 2019.